diff --git a/examples/idle.rs b/examples/idle.rs new file mode 100644 index 0000000000..ddd6326765 --- /dev/null +++ b/examples/idle.rs @@ -0,0 +1,31 @@ +//! examples/idle.rs + +#![deny(unsafe_code)] +#![deny(warnings)] +#![no_main] +#![no_std] + +use panic_semihosting as _; + +#[rtic::app(device = lm3s6965)] +mod app { + use cortex_m_semihosting::{debug, hprintln}; + + #[init] + fn init(_: init::Context) -> (init::LateResources, init::Monotonics) { + hprintln!("init").unwrap(); + + (init::LateResources {}, init::Monotonics()) + } + + #[idle] + fn idle(_: idle::Context) -> ! { + hprintln!("idle").unwrap(); + + debug::exit(debug::EXIT_SUCCESS); + + loop { + cortex_m::asm::nop(); + } + } +} diff --git a/examples/init.rs b/examples/init.rs new file mode 100644 index 0000000000..9d56d45024 --- /dev/null +++ b/examples/init.rs @@ -0,0 +1,32 @@ +//! examples/init.rs + +#![deny(unsafe_code)] +#![deny(warnings)] +#![no_main] +#![no_std] + +use panic_semihosting as _; + +#[rtic::app(device = lm3s6965, peripherals = true)] +mod app { + use cortex_m_semihosting::{debug, hprintln}; + + #[init] + fn init(cx: init::Context) -> (init::LateResources, init::Monotonics) { + // Cortex-M peripherals + let _core: cortex_m::Peripherals = cx.core; + + // Device specific peripherals + let _device: lm3s6965::Peripherals = cx.device; + + // Access to the critical section token, + // to indicate that this is a critical seciton + let _cs_token: bare_metal::CriticalSection = cx.cs; + + hprintln!("init").unwrap(); + + debug::exit(debug::EXIT_SUCCESS); + + (init::LateResources {}, init::Monotonics()) + } +} diff --git a/examples/late.rs b/examples/late.rs new file mode 100644 index 0000000000..3f480fb347 --- /dev/null +++ b/examples/late.rs @@ -0,0 +1,57 @@ +//! examples/late.rs + +#![deny(unsafe_code)] +#![deny(warnings)] +#![no_main] +#![no_std] + +use panic_semihosting as _; + +#[rtic::app(device = lm3s6965)] +mod app { + use cortex_m_semihosting::{debug, hprintln}; + use heapless::{ + consts::*, + i, + spsc::{Consumer, Producer, Queue}, + }; + use lm3s6965::Interrupt; + + // Late resources + #[resources] + struct Resources { + p: Producer<'static, u32, U4>, + c: Consumer<'static, u32, U4>, + #[task_local] + #[init(Queue(i::Queue::new()))] + q: Queue, + } + + #[init(resources = [q])] + fn init(cx: init::Context) -> (init::LateResources, init::Monotonics) { + // static mut Q: Queue = Queue(i::Queue::new()); + + let (p, c) = cx.resources.q.split(); + + // Initialization of late resources + (init::LateResources { p, c }, init::Monotonics()) + } + + #[idle(resources = [c])] + fn idle(mut c: idle::Context) -> ! { + loop { + if let Some(byte) = c.resources.c.lock(|c| c.dequeue()) { + hprintln!("received message: {}", byte).unwrap(); + + debug::exit(debug::EXIT_SUCCESS); + } else { + rtic::pend(Interrupt::UART0); + } + } + } + + #[task(binds = UART0, resources = [p])] + fn uart0(mut c: uart0::Context) { + c.resources.p.lock(|p| p.enqueue(42).unwrap()); + } +}